KR101022410B1 - Method and system for transforming multi-code of RFID tag data - Google Patents

Abstract

The present invention relates to a method and a system for multiple code conversion of RFID tag data.

In the multiple code conversion method of RFID tag data according to an embodiment of the present invention, storing a plurality of different code information of the RFID tag data and a code conversion method for each code for converting each code into a predetermined code in advance ; Receiving at least one of the plurality of codes; And converting the received code into the predetermined code according to the code conversion method.

RFID code, RFID middleware

Description

Method and system for transforming multi-code of RFID tag data

1 is a view showing that a multiple code conversion system of RFID tag data according to an embodiment of the present invention is configured as a module in an RFID middleware.

2 is a block diagram illustrating a system for converting multiple codes of RFID tag data according to an embodiment of the present invention;

3 is a flowchart illustrating a multiple code conversion method of RFID tag data according to an embodiment of the present invention.

<Explanation of symbols for the main parts of the drawings>

10: RFID middleware 12: RFID reader

14: Receive Module 16: Multiple Code Conversion Module

18: middleware core module 20: multiple code conversion system

22: code information processing unit 30: self-defined code processing unit

38: encoding processing unit 46: decoding processing unit

54: code format conversion processing unit

The present invention relates to a method and a system for multiple code conversion of RFID tag data. More particularly, the RFID middleware can process any code value of the RFID tag data without modifying the RFID middleware or designing a new RFID middleware. The present invention relates to a multiple code conversion method and system for converting RFID tag data into an existing code.

Radio Frequency IDentification (RFID) technology is attracting attention as a next-generation key driver of ubiquitous computing.

RFID technology refers to a technology of reading and recognizing a target object by collecting identification information about the object stored in the IC chip of a tag attached to the object by using a radio frequency in a non-contact manner through an antenna and a reader.

The RFID system uses an RFID tag with a small IC chip and antenna for identifying a product using radio frequency, an RFID reader for collecting RFID code and related information from the RFID tag at a radio frequency, and information input from a plurality of readers. RFID middleware for collecting and filtering.

Here, RFID middleware is a system software that collects, filters, and summarizes a large amount of tag data generated in a heterogeneous RFID environment into meaningful information and delivers it to a user.

However, there are various RFID code systems inserted in the RFID tag, and thus RFID middleware has a limitation in processing various codes.

Therefore, in order to minimize this limitation, research on how to handle at least existing standard code with one processor is necessary.

RFID code systems currently used around the world include ISO / IEC 15459, ISO / IEC 15963, ISO / IEC 11784 (animal code), ISO / IEC 10374 (container code), and EPC (Electronic Product Code) as shown in Table 1. , ucode, and the like, and mobile RFID codes derived from the Mobile RFID Forum to provide RFID services in the domestic mobile environment.

<Table 1> RFID Major Code System Types

(Korea Internet & Security Agency, RFID Code Encoding Guideline V1.0, 2006.10)

division Subject Remarks ISO / IEC 15459 ISO / IEC Application Specific Definitions Mobile RFID code Mobile RFID Forum Online content and services EPC EPCglobal Distribution, Logistics ucode uID center Tangible objects

This variety of code types has caused considerable confusion in the large national projects in the country. For example, in the major RFID pilot projects in 2004, as shown in <Table 2>, six pilot agencies used different code schemes to become short-term projects that end up as independent RFID projects.

<Table 2> 2004 Pilot Project Institutions and Project Names

(Korea Internet & Security Agency, RFID Code Encoding Guideline V1.0, 2006.10)

Pilot Business Institution Business name Code system Ministry of Commerce, Industry and Energy Import and export national logistics infrastructure support project using RFID EPC base Korea Airports Corporation RFID-based Air Baggage Tracking Control System IATABTIC Ministry of Oceans and Fisheries RFID-based Shipping Logistics Efficiency Project container Department of Defense Pilot defense ammunition management system for RFID technology Tag ID National Veterinary Quarantine Service Imported beef tracking service using RFID Self definition PPS Establishment of goods management system using RFID Self definition

In the 2005 RFID pilot project, ISO / IEC 15459 code system and self-defined code system were used as shown in <Table 3>.

<Table 3> 2005 Pilot Project Institutions and Project Names

(Korea Internet & Security Agency, RFID Code Encoding Guideline V1.0, 2006.10)

Pilot Business Institution Business name Code system Ministry of Environment RFID based infectious waste
Management system Based on ISO / IEC 15459 Air Force Headquarters New weapon system applying RFID technology (F-15K)
Asset Management System Self definition Ministry of Unification Construction of Kaesong Industrial Complex and Strategic Materials Management using RFID Technology Based on ISO / IEC 15459 National Museum of Contemporary Art μ-museum services Self definition Gangwon-do Provincial Office Daegwallyeong Hanwoo RFID System Self definition Incheon Metropolitan City Next-Generation Knowledge-Based Air Cargo RFID Leading Project for Realization of Logistics Center in Northeast Asia Based on ISO / IEC 15459

As such, when different code systems are used, problems such as international interoperability between RFID systems exist, which will be a big obstacle in the future of RFID service activation.

The reason why Korea's own RFID pilot project is being implemented is that there is no MDM (Multi-code Decoding Module) that processes various standard codes.

In other words, if you want to read various code systems, ISO / IEC 15459, mobile RFID code, EPC, ucode, etc. from RFID reader and process them in RFID middleware, you have to modify the whole middleware or remove the existing middleware and design new middleware. There is a problem.

The present invention has been made to solve the above problems, RFID tag that converts the RFID middleware into a code that can be processed by the RFID middleware even if any code value of the RFID tag data is input without modifying the RFID middleware or designing a new RFID middleware. Its purpose is to provide a method and system for multiple code conversion of data.

However, the objects of the present invention are not limited to the above-mentioned objects, and other objects not mentioned can be clearly understood by those skilled in the art from the following description.

In order to achieve the above object, a multiple code conversion method of RFID tag data according to an embodiment of the present invention includes a plurality of different code information of RFID tag data and code conversion for each code for converting each code into a predetermined code. Pre-storing the method; Receiving at least one of the plurality of codes; And converting the received code into the predetermined code according to the code conversion method.

In order to achieve the above object, a multiple code conversion system of RFID tag data according to an embodiment of the present invention includes a plurality of different code information of RFID tag data and code conversion for each code for converting each code into a predetermined code. A code processor for storing a method and receiving at least one of the plurality of codes; And a code conversion unit converting the input code into the predetermined code according to the code conversion method.

Specific details of other embodiments are included in the detailed description and drawings, and the advantages and features of the present invention and methods for achieving them will be apparent with reference to the embodiments described below in detail with the accompanying drawings.

However, the present invention is not limited to the embodiments disclosed below, but may be embodied in various different forms, and the present embodiments merely make the disclosure of the present invention complete and common knowledge in the technical field to which the present invention belongs. It is provided to fully inform the person having the scope of the invention, which is defined only by the scope of the claims. Like reference numerals refer to like elements throughout.

Hereinafter, a method and a system for multiple code conversion of RFID tag data according to an embodiment of the present invention will be described with reference to the accompanying block diagram or the drawings of the processing flowchart.

At this point, it will be understood that each block of the flowchart illustrations and combinations of flowchart illustrations may be performed by computer program instructions. Since these computer program instructions may be mounted on a processor of a general purpose computer, special purpose computer, or other programmable data processing equipment, those instructions executed through the processor of the computer or other programmable data processing equipment may be described in flow chart block (s). It creates a means to perform the functions. These computer program instructions may be stored in a computer usable or computer readable memory that can be directed to a computer or other programmable data processing equipment to implement functionality in a particular manner, and thus the computer usable or computer readable memory. It is also possible for the instructions stored in to produce an article of manufacture containing instruction means for performing the functions described in the flowchart block (s). Computer program instructions It is also possible to mount on a computer or other programmable data processing equipment, so a series of operating steps are performed on the computer or other programmable data processing equipment to create a computer-implemented process to perform the computer or other programmable data processing equipment. It is also possible for the instructions to provide steps for performing the functions described in the flowchart block (s).

In addition, each block may represent a portion of a module, segment, or code that includes one or more executable instructions for executing a specified logical function (s). It should also be noted that in some alternative implementations, the functions noted in the blocks may occur out of order. For example, the two blocks shown in succession may in fact be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending on the corresponding function.

1 is a diagram illustrating a multiple code conversion system of RFID tag data according to an embodiment of the present invention configured as a module in an RFID middleware.

The illustrated RFID middleware 10 includes a receiving module 14 for receiving RFID tag data received from the RFID reader 12 and multiple codes for converting codes of the RFID tag data received through the receiving module 14. The conversion module 16 and the middleware core module 18 to process the code of the RFID tag data converted by the multiple code conversion module 16.

The multiple code conversion module 16 is processed in the RFID middleware 10 and converts various codes of the RFID tag data received from the RFID reader 12 into a basic code or a RFID middleware or a code required by a user. Output to (18). Here, the basic code means a code that is fixedly output from the multiple code conversion module unless there is another request, and may include any one of a Uniform Resource Name (URN) code, a decimal code, and a hexadecimal code, but is not limited thereto. It is not.

In addition, the code value input to the multiple code conversion module 16 may be at least one of various standard code values at home and abroad, for example, ISO / IEC 15459, mobile RFID code, EPC, URL code. Of course, the present invention is not limited thereto and may be self-defined code.

Of course, as shown, the multiple code conversion system is shown as being provided in the RFID middleware 10, but is not limited to this, the multiple code conversion system may be provided in the RFID reader 12, RFID reader 12 ) And the RFID middleware 10 may be provided separately from the RFID middleware 10 to convert the code of the RFID tag data received from the RFID reader 12 to the RFID middleware 10.

2 is a block diagram illustrating a system for multiple code conversion of RFID tag data according to an embodiment of the present invention.

The multiple code conversion system 20 of the RFID tag data shown includes a code processor and a code converter.

The code processor includes a code information processor 22 and a code processor 30 defined by itself, and the code converter includes an encoding processor 38, a decoding processor 46, and a code format converter 54.

The common code information module 24 of the code information processing unit 22 stores and manages common code information among a plurality of standard codes of RFID tag data currently used worldwide as a schema, and generates an exceptional code information module ( 26) stores and manages special code information in a schema except common code information among a plurality of standard codes of RFID tag data currently used worldwide.

The code information addition, deletion, and modification module 28 of the code information processing unit 22 is a module capable of adding, deleting, or modifying a changed standard code.

Meanwhile, the standard code information stored and managed by the code information processor 22 may include header information. As shown in Table 4, the header information may have different values for each code, and thus may be used to determine the code type. Table 4 shows an example of a header for each code information.

TABLE 4

EPC Type Header (Binary Code) GID-96 00110101 SGTIN-96 00110000 SSCC-96 00110001 SGLN-96 00110010 GRAI-96 00110011 GIAI-96 00110100 DoD-96 00101111

The code information processing unit 22 converts various input codes into binary codes and checks whether the binary code is a standard code stored in the code information processing unit 22. In the case of the standard code, the code information processing unit 22 extracts the header information of the binary code and compares it with the stored code information to grasp the type of the input code. The result is then notified to the encoding processing unit 38 and the decoding processing unit 46.

For example, when the code "48 4D D6 F3 45 41 34 88 00 00 00 01" is input to the code information processing unit 22, the header part "48" is converted into the binary code "00110000", which is the EPC SGTIN. You see that it is -96 code.

Of course, in the present embodiment, the header information is used to identify the code type, but is not limited thereto.

The self-defined code processing unit 30 is a part that makes it simple and easy to write a self-defined code for each RFID business and a method of encoding and decoding the code, thereby modifying, deleting, and adding it.

Specifically, the self-defined code processing unit 30 includes a self-defined code information module 32, an encoding and decoding method module 34, and a code information addition, deletion and modification module 36.

The self-defined code information module 32 prepares code information defined by a user in a schema format and has general code information suitable for the RFID code format. Accordingly, the user may be informed of the code information that is not prepared for the RFID code format. The method of notifying the user may vary, and for example, a warning message may be displayed.

The encoding and decoding method module 34 is a module that stores information on the encoding and decoding method of the code defined by the user. The module also contains information about common encoding and decoding methods, and informs the user when information about incorrect encoding and decoding methods is written.

The code information addition, deletion, and modification module 36 is a module that can add, delete, or modify the modified self-defined code.

The self-defined code processing unit 30 receives the call of the standard code processing unit and provides the standard code processing unit with a method for encoding and decoding the self-defined code information or the self-defined code. That is, the code information processor 22 calls the code information defined by itself in the process of checking whether the input code is a code defined by itself, and if it is determined that the code is a code defined by itself, calls the encoding and decoding method of the code defined by the encoding processor. And 38 to the decoding processing unit 46.

The encoding processor 38 includes a common encoding module 40, an exceptional encoding module 42, and a self-defined encoding module 44.

The common encoding module 40 is a processing module which has created a method of converting common code information among a plurality of standard codes. The exceptional encoding module 42 is special code information except for common code information among a plurality of standard codes, that is, It is a processing module that has prepared a method of converting special code information that cannot be processed by the common encoding module 40, and the self-defined encoding module 44 is a module having a general encoding method in self-defined code processing.

The decoding processing unit 46 also includes a common decoding module 48, an exceptional decoding module 50, and a self-defining decoding module 52, similar to the encoding processing unit 38. As it corresponds to the function of each module, description thereof will be omitted.

Meanwhile, the method for encoding and decoding the self-defined code provided by the self-defined code processing unit 30 is provided to the self-defined encoding module 44 and the self-defining decoding module 52, respectively, to enable encoding and decoding of the self-defined code. Let's do it.

The encoding and decoding methods stored in each of these modules are stored and managed in a schema.

The encoding processor 38 encodes the binary code by a corresponding encoding method according to the code type, and the decoding processor 46 decodes the binary code encoded by the corresponding decoding method according to the code type and converts the binary code into a basic code.

The code format conversion processing unit 54 receives a code format conversion information module 56 including various decoding methods necessary for converting a code format, and a code format request requested by an RFID middleware or other user. A code format conversion module 58 converts the basic code into a code of a corresponding format and outputs the code according to the decoding method.

On the other hand, when the code format conversion request is not input, the basic code is output as it is.

3 is a flowchart illustrating a multiple code conversion method of RFID tag data according to an embodiment of the present invention.

First, when tag data is input from the RFID reader 12, the code information processing unit 22 receives various codes (S10). The code information processing unit 22 converts the received code into a binary code (S12).

Then, it is checked whether the input code is a standard code managed by the code information processing unit 22 (S14).

As a result of the check, in the case of the standard code, the code information processing unit 22 extracts the header information of the binary code and compares the extracted header information with the standard code information stored in the schema to determine the code type (S16). Thereafter, the binary code is encoded and decoded according to the code type, and converted into a basic code (S18).

On the other hand, as a result of the check in step S14, if it is not a standard code, the code information processing unit 22 calls the code information defined by the self-defined code processing unit 30 to check whether it is a self-defined code (S20), and the code defined by itself In the case where the self-defined code encoding and decoding method is provided to the encoding processing unit 38 and the decoding processing unit 46 to perform the encoding and decoding process according to the code type (S18).

If it is determined that the type of the converted binary code does not belong to the standard code or the self-defined code, it is an invalid code or an error code and is terminated without further processing.

When the conversion to the basic code is completed, a verification process according to the code system is performed to check whether the code is properly converted (S22).

On the other hand, when there is a code format conversion request, the code format conversion processing unit 54 converts the basic code into the corresponding format based on the decoding scheme for each code format and outputs the result (S24, S26). The code is output as it is (S24, S28).

Of course, in the present embodiment, the input code is converted into a basic code, and if there is a code format conversion request thereafter, the basic code is converted. However, the code format conversion request is confirmed before the conversion to the basic code. If a conversion request is made, the process of converting the binary code to the basic code can be omitted, and it can be configured to immediately output the converted code format. In this case, the code format conversion information module of the code format conversion processing unit may further include a conversion method for converting the binary code into various code formats.

As described above, the present invention can be processed in one RFID middleware by converting various codes into basic codes or RFID middleware or codes required by a user, instead of allowing the RFID middleware to process only one code. It is possible to effectively provide ubiquitous service by integrating the code system of RFID middleware.

In addition, you can save the information of various existing codes in the form of schema, add, delete, and modify them, so that you can flexibly cope with future standard codes, and there is a module that can write your own custom code. It can also be applied to the RFID business.

With reference to the drawings illustrated as above, the method and system for multiple code conversion of RFID tag data according to the present invention has been described, but the present invention is not limited by the embodiments and drawings disclosed herein, Of course, various modifications may be made by those skilled in the art within the scope of the technical idea.

As described above, according to the method and system for multiple code conversion of RFID tag data according to the present invention, the RFID middleware can process any code value of the RFID tag data without modifying the RFID middleware or designing a new RFID middleware. It has the effect of converting it into existing code.

Claims (20)

Storing code information for codes of at least one RFID tag data input through an RFID reader and a code conversion method for each code for converting each code into a predetermined code; Receiving one of the at least one code; And Converting the received code into the predetermined code according to a corresponding code conversion method among the code conversion methods. The code information includes at least one of standard code information of domestic and foreign RFID tag data and code information about a self-defined code. The method of claim 1, The preset code is And a base code fixedly outputted unless there is another request, and one of an RFID middleware for processing the RFID tag data and a code required by a user. The method of claim 2, The basic code, any one of a Uniform Resource Name (URN) code, a decimal code, a hexadecimal code, multiple code conversion method of the RFID tag data. The method of claim 1, Converting to the predetermined code, Converting the received code into binary code; Determining a type of the received code based on the stored code information and the binary code; And And converting the binary code into the predetermined code according to a code conversion method corresponding to the identified code type. The method of claim 4, wherein The code information includes header information of the code; Identifying the type of the code, Extracting header information of the binary code; And And comparing the header information of the code information with the header information of the binary code to determine the type of the received code. delete The method of claim 1, And warning the user if the code information for the self-defined code and the code conversion method for each code defined by the self-defined code are not suitable for the general RFID code format and the code conversion method. The method of claim 1, And the code information and the code conversion method are stored and managed in a schema. The method of claim 1, And the code information and the code conversion method are added, deleted, and modified. The method of claim 1, Storing a format conversion method for converting a format of the preset code in advance; And And converting the predetermined code into a code of a corresponding format according to the format conversion method and outputting the predetermined code when the format conversion request of the predetermined code is received. Storing code information for codes of at least one RFID tag data input through an RFID reader and a code conversion method for converting each code into a predetermined code, and receiving one of the at least one code Code processing unit; And A code conversion unit converts the received code into the predetermined code according to a corresponding code conversion method among the code conversion methods. The code information includes at least one of standard code information of domestic and foreign RFID tag data and code information about a self-defined code. The method of claim 11, wherein The preset code is And any one of an RFID middleware that processes the RFID tag data and a code required by a user, if there is no other request. 13. The method of claim 12, The basic code, any one of a Uniform Resource Name (URN) code, a decimal code, a hexadecimal code, multiple code conversion system of RFID tag data. The method of claim 11, wherein The code processing unit converts the received code into a binary code, and grasps the type of the received code based on the stored code information and the binary code; And the code conversion unit converts the binary code into the predetermined code according to a code conversion method corresponding to the identified code type. The method of claim 14, The code information includes header information of the code; The code processor extracts the header information of the binary code, and compares the header information of the code information and the header information of the binary code to determine the type of the received code, RFID code data multiple conversion system. delete The method of claim 11, wherein The code processing unit, And if the code information for the self-defined code and the code conversion method per self-defined code are not suitable for the general RFID code format and the code conversion method, a multiple code conversion system of RFID tag data. The method of claim 11, wherein And the code information and the code conversion method are stored and managed in a schema. The method of claim 11, wherein And the code information and the code conversion method are added, deleted, and modified. The method of claim 11, wherein The code conversion unit, A code for storing a format conversion method for converting a format of the preset code, and converting the preset code into a code of a corresponding format according to the format conversion method when the format conversion request of the preset code is requested A multiple code conversion system of RFID tag data, comprising a format conversion processing unit.

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